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Unread 19-02-2012, 22:27
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Ether Ether is offline
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Re: Robot lose power when reverse directions?

Quote:
Originally Posted by Kevin Sevcik View Post
You know that 133 amp stall current of the CIMs? If you're switching from full forward to full reserve, you're trying to draw DOUBLE of that.
Is that because the back EMF of the motor is trying to push current in the same direction as the FETs ?

Quote:
That will force the Jaguar to gradually ramp the voltage between commands, which should reduce or eliminate your problem.
Gradually, as 1/8 second from 100% forward to 100% reverse (for the non-CAN limit-switch jumper default ramp).